<link href="//netdna.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <div class="container"> <div class="row"> <div class="col-xs-12"> <form style="display:table; max-width: 350px;"> <!-- form-group multiple-form-group pull-left input-group --> <div class="" style="display:table-cell; border-collapse: collapse; width: 50%;"> <input type="text" class="form-control" value="email"> </div> <div class="" style="display:table-cell; border-collapse: collapse; width: 50%;"> <input type="text" class="form-control" value="email"> </div> <div style="display: table-cell; border-collapse: collapse;"> <button type="button" class="btn btn-success btn-add">+</button> </div> </form> </div> </div> </div>